Metrosideros polymorpha Gaudich. var. hemilanata (Hochr.) H. St. John, Phytologia 42: (215-218). 1979.
Flora of the Hawaiian Islands --Basionym Type Information Metrosideros collina (J. R. Forst. & G. Forst.) A. Gray var. hemilanata Hochr., Candollea 2: 456 1925.
Note: nom. nov.? Hochreutiner states "synonym of vars. S of Rock and g of Gray."